additionvsadoptionTell them apart

Which to use

“addition” and “adoption” are a confusable French pair: similar on the page, but distinct in meaning, check the gloss before you choose.

#9,776
“addition” frequency rank
#3,892
“adoption” frequency rank
13668
confusion score

Side-by-Side Comparison

Feature addition adoption
Definition Action d’ajouter. Action d’adopter.

Where the eye mixes addition and adoption

Muted = shared; highlighted = the visual trap. They share 6 letters in sequence. addition (VCCVCVVC) and adoption (VCVCCVVC) run the same length but a different consonant-vowel pattern - the shape difference is usually the fastest tell.

8 ch
addition
8 ch
adoption

Visual trap between addition and adoption

A purely visual mix-up. addition (\a.di.sjɔ̃\) and adoption (\a.dɔp.sjɔ̃\) are said differently, so reading them aloud is the quickest way to catch the wrong one. On the page they stay close: they share most of their letters but differ in 2 positions. Our composite confusion score for this pair is 13668, derived from the frequency rank of both members and their visual similarity.

addition is recorded at frequency rank #9,776, classified as anoun, pronounced \a.di.sjɔ̃\. adoption is at rank #3,892, tagged as anoun, pronounced \a.dɔp.sjɔ̃\.

Glosses for this pair are partially populated in our dataset, but the full side-by-side definitions above should still guide you to the right choice.

With a confusion score of 13668, this pair ranks #400,045 of 440,172 scored French confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of addition vs adoption

Shared letters: adinot. Private to "addition": -. Private to "adoption": p.

"addition" · 8 letters · shape VCCVCVVC  ·  "adoption" · 8 letters · shape VCVCCVVC

Known mistypes of this pair

  • addition ← addiiton · additino · additionn · additoin · addittion · addtiion · adidtion · adition
  • adoption ← addoption · adopiton · adopption · adoptino · adoptionn · adoptoin · adopttion · adotpion

Frequently Asked Questions

Do "addition" and "adoption" mean the same thing in a sentence?
No. They are said differently (\a.di.sjɔ̃\ versus \a.dɔp.sjɔ̃\) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
Frequency check: "addition" vs "adoption" - which ranks higher?
"adoption" is the more common of the two: it sits at frequency rank #3,892 in our French list, against #9,776 for "addition". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

What to do next

Visual near-miss handled. Browse the word pages or a neighbour when the next look-alike shows up.

  • Full dictionary entry for "addition" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "adoption" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #400,045 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
  • "addition" and "adoption" also get mixed up with nearby pairs, the highest-scored neighbour is "addition vs adduction". Nearby pair
  • Recorded mistypes exist for at least one side of this pair, useful when a spell-checker or OCR lands on the wrong form. See mistypes

Confusion rank #400,045 of 440,172 scored French pairs, corpus vintage 2026-09-03, not spelling advice.

Source: Wiktionary (via kaikki.org) Structured Wiktionary extract

Source: FrequencyWords open word-frequency list